Hydrogen Permeation in Fusion-Relevant Materials

Open for proposals

Project Type

Coordinated Research Project

Project Code

F43025

CRP

2244

Approved Date

24 December 2019

Status

3 - Active - Ongoing

Start Date

26 June 2020

Expected End Date

1 September 2025

Participating Countries

Argentina
Belgium
China
France
Germany
India
Japan
Republic of Korea
Russian Federation
Slovenia
Ukraine
United Kingdom of Great Britain and Northern Ireland
United States of America

Objectives

To increase the capacity of Member States to undertake experimental and theoretical fusion research. This CRP supports the development of novel techniques in fusion reactor design through the enhancement of the global knowledgebase on plasma-material interaction data with respect to hydrogen permeation in fusion reactor components.

Specific objectives

Assemble, evaluate and recommend data needed for hydrogen permeation in fusion materials, particularly: diffusivity, retention, solubility, recombination and dissociation coefficients of hydrogen on unirradiated fusion materials.

Assess the impact of materials' surfaces and microstructure on hydrogen permeation properties.

Investigate the isotope-dependence of hydrogen permeation; and assess the impact of geometrical effects (2D and 3D) on permeation.

Assess the impact of irradiation on the response of relevant materials to hydrogen permeation, including the effect of radiation-induced damage and solid and gaseous transmutation products

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